body {
    text-align: center;
}

#background {
    position: absolute;
    z-index: -1;
    opacity: 0.7;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('/images/back.jpg');
    background-size: cover;
}

.title {
    margin-top: 50px;
    color: #373737;
    font-size: 70px;
    font-family: cursive;
    font-weight: bolder;
}

.subtitle {
    color: #373737;
    font-size: 20px;
    font-family: sans-serif;
    font-weight: normal;
}

input {
    border-style: solid;
    border-width: 2px;
    border-color: saddlebrown;
    border-radius: 5px;
    outline: none;
    padding: 10px;
    margin: 5px;
    width: 500px;
    color: saddlebrown;
    font-family: cursive;
    text-align: center;
    font-size: 15px;
    background-color: transparent;
}

.btn {
    cursor: pointer;
    border-style: solid;
    border-width: 2px;
    border-color: saddlebrown;
    border-radius: 5px;
    outline: none;
    background-color: transparent;
    color: saddlebrown;
    font-size: 17px;
    padding: 10px;
    margin: 5px;
    margin-top: 20px;
    opacity: 0.9;
}

.btn:hover {
    background-color: saddlebrown;
    color: white;
    opacity: 0.6;
}

.errorBox {
    outline: none;
    border-style: solid;
    border-color: darkred;
    border-width: 2px;
    min-width: 300px;
    padding: 10px;
    opacity: 0.9;
    font-family: cursive;
    color: white;
    background-color: indianred;
    border-radius: 5px;
}